P1990 DTC For Mercedes Cls

Mercedes Cls Engine Specifications:
Engine Type :Single Cylinder Engine
Cylinder Type :Opposite Piston Engine
Engine Air Intake Process :Turbocharged Engine

Your Mercedes Cls engine control system detects a problem, the computer stores the diagnostic trouble code P1990 in its memory. To figure out what is wrong with your vehicle you must first extract the P1990 DTC For Mercedes Cls.

P1990 Mercedes Cls engine diagnostic code is about in terms of how often you should get your tyres rotated, it's different for every vehicle and type of tyre, but having them rotated at every oil change is a good rule of thumb. Check with the tyre manufacturer for a more specific time frame. Remember that the more often you rotate your tyres, the more evenly they'll wear, and when you have the tyres rotated, you should also get them checked for balance and alignment.

P1990 Mercedes Cls DTC Meaning

P Powertrain Code - Problem is related engine, transmission and emissions systems.
1 MFG - Manufacturer Specific
9 Transmission
9 TP Sensor Learn Not Complete
0 Transmission Engaged At High Throttle Angle

If your vehicle failed a P1990 Mercedes Cls test and the P1990 Check Engine Light is NOT on, chances are you have a problem with the OBDII system, a burned out MIL lamp, or a faulty catalytic converter. The converter is essentially an afterburner that cleans up the exhaust after it exits the engine. The OBDII system uses P1990 a ownstream oxygen sensor to monitor the efficiency of the converter, and it should detect a drop in converter efficiency if the converter has been contaminated or is failing (ignition misfiring, leaky exhaust valves, and oil burning can all damage the converter). What you want to look P1990 DTC For Mercedes Cls: Any conditions that might cause ignition misfire, an overly rich or lean fuel condition, or loss of compression.

P198F DTC (Previous DTC Code) ( Next DTC Code ) P1991 DTC
You can also check other Mercedes car models :
The listed Mercedes models will give information about P1990 DTC.